In theoretical physics, the art of approximation is often more important than exact solutions.
在理论物理学中，近似的艺术往往比精确解更重要。
Life is not a series of gig lamps symmetrically arranged; life is a luminous halo, a semi-transparent envelope surrounding us from the beginning of consciousness to the end.
我是一个完美主义者。我几乎永远不满足。我觉得有很多事情我可以改进。